package com.gaofeng.day03;

public class StringTest {
    public static void main(String[] args) {
        String s = "szasdadasweeeeeeeeeeeeadsadsdasdasda";
        int len = s.length();
        System.out.println(len);
        System.out.println(s.toUpperCase());
        String repeat = s.repeat(2);
        System.out.println(repeat);
    }
}
